﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace calculadora
{
    public class OP
    {
       public Double a;
       public Double b;
       public OP() { 
        }

       public OP(Double a)
       {
            this.a = a;
        }

       public OP(Double a, Double b)
       {
            this.a = a;
            this.b = b;
        }

        public virtual Double result(){
            return 0;
        }
    }
}
